202 search results - page 12 / 41 » On Lattice Quantization Noise |
ISM
2006
IEEE
15 years 3 months ago
2006
IEEE
Currently, most quantization based data hiding algorithms are built assuming specific distributions of attacks, such as additive white Gaussian noise (AWGN), uniform noise, and s...
ICIP
2010
IEEE
14 years 7 months ago
2010
IEEE
Quantization, defined as the act of attributing a finite number of grey-levels to an image, is an essential task in image acquisition and coding. It is also intricately linked to ...
TCOM
2008
14 years 9 months ago
2008
Theories of shaping for lattice codes have been developed for systems (optical or non-optical) using coherent detection with additive white Gaussian noise (AWGN) and for direct-det...
ICMCS
2006
IEEE
15 years 3 months ago
2006
IEEE
This paper investigates asymptotically optimal scalar quantizers to address QIM watermark detection with i.i.d. host data and additive noise. False-alarm probability of detection ...
TSP
2008
14 years 9 months ago
2008
Abstract-- This paper presents novel results on Perfect Reconstruction Feedback Quantizers (PRFQs), i.e., noise-shaping, predictive and sigma-delta A/D converters whose signal tran...